Home / 1,428,299.44-2,143,006.84-629,019.28

Finding the Fourth Proportional to 1,428,299.44, 2,143,006.84 and 629,019.28

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Solution

The fourth proportional to 1,428,299.44, 2,143,006.84 and 629,019.28 is: 943,774.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,299.44 : 2,143,006.84 = 629,019.28 : x
  2. Step 2: Convert to fraction form
    1,428,299.44/2,143,006.84 = 629,019.28/x
  3. Step 3: Cross multiply
    1,428,299.44x = 2,143,006.84 × 629,019.28
  4. Step 4: Simplify right side
    1,428,299.44x = 1,347,992,619,531.88
  5. Step 5: Solve for x
    x = 1,347,992,619,531.88/1,428,299.44
  6. Step 6: Final answer
    x = 943,774.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.